Introduction

When you redirect special folders using Tweak UI or
by moving the folder to another location, the User Shell Folder
registry path is modified accordingly. To reset the User Shell Folders
values to defaults, use the information in this article.

Resetting the special folder paths to defaults

[Use the Fix-It Tool] Microsoft has a Fix-It solution that
fixes most of the shell folder paths (both per-user and per-machine shell
folders) automatically. You can download the fix from KB886549
(Thanks to MVP Robear Dyer for the URL.)

If you opt to reset the shell folder paths manually using the Registry
Editor, read further.